Bagnell, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.5 °F (low) to 66.5 °F (high). Annual precipitation averages 43.4 Inches. Bagnell is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.9 °F | 41.7 °F | 2.13 in. |
| February | 25.9 °F | 46.2 °F | 2.13 in. |
| March | 34.3 °F | 56.4 °F | 2.94 in. |
| April | 44.4 °F | 67.5 °F | 5.04 in. |
| May | 54.8 °F | 75.4 °F | 5.56 in. |
| June | 63.5 °F | 83.5 °F | 4.34 in. |
| July | 67.9 °F | 87.9 °F | 4.11 in. |
| August | 66.1 °F | 87.2 °F | 4.11 in. |
| September | 57.8 °F | 80.3 °F | 4.27 in. |
| October | 46.2 °F | 69.6 °F | 3.31 in. |
| November | 35.6 °F | 56.3 °F | 3.13 in. |
| December | 26.7 °F | 45.6 °F | 2.36 in. |
| Annual | 45.5 °F | 66.5 °F | 43.43 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |